body,ul,ol,p,h1,h2,h3,h4,h5{margin:0; padding:0;}
ul{padding-left:0; margin:0;}
li{list-style:none;}
img{border:none;}
a{text-decoration:none;}
a:hover{text-decoration:underline/none; }
/* 自适应 */
html,body{width:100%;height:100%;}